[34] | 1 | <?php |
---|
| 2 | |
---|
| 3 | // security - hide paths |
---|
| 4 | if (!defined('ADODB_DIR')) die(); |
---|
| 5 | |
---|
| 6 | global $ADODB_INCLUDED_MEMCACHE; |
---|
| 7 | $ADODB_INCLUDED_MEMCACHE = 1; |
---|
| 8 | |
---|
| 9 | /* |
---|
| 10 | |
---|
| 11 | V4.90 8 June 2006 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
---|
| 12 | Released under both BSD license and Lesser GPL library license. |
---|
| 13 | Whenever there is any discrepancy between the two licenses, |
---|
| 14 | the BSD license will take precedence. See License.txt. |
---|
| 15 | Set tabs to 4 for best viewing. |
---|
| 16 | |
---|
| 17 | Latest version is available at http://adodb.sourceforge.net |
---|
| 18 | |
---|
| 19 | */ |
---|
| 20 | |
---|
| 21 | function &getmemcache($key,&$err, $timeout=0, $host, $port) |
---|
| 22 | { |
---|
| 23 | $false = false; |
---|
| 24 | $err = false; |
---|
| 25 | |
---|
| 26 | if (!function_exists('memcache_pconnect')) { |
---|
| 27 | $err = 'Memcache module PECL extension not found!'; |
---|
| 28 | return $false; |
---|
| 29 | } |
---|
| 30 | |
---|
| 31 | $memcache = new Memcache; |
---|
| 32 | if (!@$memcache->pconnect($host, $port)) { |
---|
| 33 | $err = 'Can\'t connect to memcache server on: '.$host.':'.$port; |
---|
| 34 | return $false; |
---|
| 35 | } |
---|
| 36 | |
---|
| 37 | $rs = $memcache->get($key); |
---|
| 38 | if (!$rs) { |
---|
| 39 | $err = 'Item with such key doesn\'t exists on the memcached server.'; |
---|
| 40 | return $false; |
---|
| 41 | } |
---|
| 42 | |
---|
| 43 | $tdiff = intval($rs->timeCreated+$timeout - time()); |
---|
| 44 | if ($tdiff <= 2) { |
---|
| 45 | switch($tdiff) { |
---|
| 46 | case 2: |
---|
| 47 | if ((rand() & 15) == 0) { |
---|
| 48 | $err = "Timeout 2"; |
---|
| 49 | return $false; |
---|
| 50 | } |
---|
| 51 | break; |
---|
| 52 | case 1: |
---|
| 53 | if ((rand() & 3) == 0) { |
---|
| 54 | $err = "Timeout 1"; |
---|
| 55 | return $false; |
---|
| 56 | } |
---|
| 57 | break; |
---|
| 58 | default: |
---|
| 59 | $err = "Timeout 0"; |
---|
| 60 | return $false; |
---|
| 61 | } |
---|
| 62 | } |
---|
| 63 | return $rs; |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | function putmemcache($key, $rs, $host, $port, $compress, $debug=false) |
---|
| 67 | { |
---|
| 68 | $false = false; |
---|
| 69 | $true = true; |
---|
| 70 | |
---|
| 71 | if (!function_exists('memcache_pconnect')) { |
---|
| 72 | if ($debug) ADOConnection::outp(" Memcache module PECL extension not found!<br>\n"); |
---|
| 73 | return $false; |
---|
| 74 | } |
---|
| 75 | |
---|
| 76 | $memcache = new Memcache; |
---|
| 77 | if (!@$memcache->pconnect($host, $port)) { |
---|
| 78 | if ($debug) ADOConnection::outp(" Can't connect to memcache server on: $host:$port<br>\n"); |
---|
| 79 | return $false; |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | $rs->timeCreated = time(); |
---|
| 83 | if (!$memcache->set($key, $rs, $compress, 0)) { |
---|
| 84 | if ($debug) ADOConnection::outp(" Failed to save data at the memcached server!<br>\n"); |
---|
| 85 | return $false; |
---|
| 86 | } |
---|
| 87 | return $true; |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | function flushmemcache($key=false, $host, $port, $debug=false) |
---|
| 91 | { |
---|
| 92 | if (!function_exists('memcache_pconnect')) { |
---|
| 93 | if ($debug) ADOConnection::outp(" Memcache module PECL extension not found!<br>\n"); |
---|
| 94 | return; |
---|
| 95 | } |
---|
| 96 | |
---|
| 97 | $memcache = new Memcache; |
---|
| 98 | if (!@$memcache->pconnect($host, $port)) { |
---|
| 99 | if ($debug) ADOConnection::outp(" Can't connect to memcache server on: $host:$port<br>\n"); |
---|
| 100 | return; |
---|
| 101 | } |
---|
| 102 | |
---|
| 103 | if ($key) { |
---|
| 104 | if (!$memcache->delete($key)) { |
---|
| 105 | if ($debug) ADOConnection::outp("CacheFlush: $key entery doesn't exist on memcached server!<br>\n"); |
---|
| 106 | } else { |
---|
| 107 | if ($debug) ADOConnection::outp("CacheFlush: $key entery flushed from memcached server!<br>\n"); |
---|
| 108 | } |
---|
| 109 | } else { |
---|
| 110 | if (!$memcache->flush()) { |
---|
| 111 | if ($debug) ADOConnection::outp("CacheFlush: Failure flushing all enteries from memcached server!<br>\n"); |
---|
| 112 | } else { |
---|
| 113 | if ($debug) ADOConnection::outp("CacheFlush: All enteries flushed from memcached server!<br>\n"); |
---|
| 114 | } |
---|
| 115 | } |
---|
| 116 | return; |
---|
| 117 | } |
---|
| 118 | ?> |
---|